“Thus, traditional wiring harnesses and connectors are unable
to support the bandwidth requirements owing to high-speed data
transmission. This has led to the induction of ethernet
in automobiles, which reduces the complexity of wiring harness assemblies”

Neelam Barua, a lead analyst from Technavio, specializing in research on automotive
electronicssector says, “The main factor that propels
the growth of the global EVWHS market is the increased adoption of EVs
and the growing number of models available in the market. With the
increase in electronic content in vehicles, OEMs are designing compact
and lightweight wiring systems that occupy less space and connect every
component.”

The global
EVWHS market was valued at USD 1.66 billion in 2016, and it
is expected to reach USD 10.96 billion by 2021, growing at a staggering
CAGR of nearly 46%. Many players cater to the global EVWHS market.
However, the top four players control close to 70% of the market. Apart
from that, Japanese manufacturers account for almost 60% of the global
production of EVWHS. However, the market share of Japanese players has
been decreasing over the last few years owing to depreciating Japanese
Yen compared to US dollar and reducing copper prices.

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The top three emerging trends driving the global EVWHS marketaccording
to Technavio research analysts are:

Growing demand for connected EVs

70% of the EVs content are electric/electronic systems, which require
high-speed communication between the systems. This is owing to the
electrification of powertrain and addition of more safety features.

“Thus, traditional wiring harnesses and connectors are unable
to support the bandwidth requirements owing to high-speed data
transmission. This has led to the induction of ethernet
in automobiles, which reduces the complexity of wiring harness assemblies,”
according to Neelam.

Smart materials to shape the future of WHS

The University of Southampton has implemented a project that can achieve
a data transmission at 99.7% the speed of light resulting in a data
transfer rate of 73.7 terabits per second. It uses a photonic-bandgap
rim in which the fibers are hollow while still having the capability to
bend light by total internal reflection. Thus, the total loss will be
limited to 3.5 dB per 1,000 m.

The future of wiring harness is not only confined to optical
fibers, carbon nanotubes conduct electricity like a metal and have
strength comparable to carbon fibers and the flexibility of a textile
fiber. Hence, they can be used as substitutes for metals across many
industries like aerospace
and automotive.

3D printing of automotive wiring harnesses

3D printing is an additive manufacturing technique where an
object is created by depositing materials layer after layer. It uses
either a computer-aided design program or 3D scanning as its input.

Companies like Delphi, Molex, and TE Connectivity
have started using 3D printing for prototype development and designing.
The future will witness wide-scale adoption of 3D printing for the
manufacture of wiring harnesses owing to shortening design cycles and
faster production requirements.

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